Like a kindly uncle, physicist Shin-Tson Wu banters with his students as they work in an optics lab at the University of Central Florida. They become respectfully silent, however, when he sits down at a microscope to peer at the pixels of an iPhone...

Air conditioning is so essential to survival in Florida that we call it "air." Same as oxygen. Without it, you die. Slowly. Suffocating on your own sweat.
It is no coincidence that Florida's population didn't start to skyrocket until air conditioning...